Checkline DFX-7 - Manual (Page 132)

Dakota Ultrasonics
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Using the Default Setup
1) Press the MENU key once to activate the menu items tab. Press the MENU
key multiple times to tab right and the ESC key multiple times to tab left until
the SETUP menu is highlighted and displaying the submenu items.
2) Use the UP and DOWN arrow keys to scroll through the sub menu items
until DEFAULT SETUP is highlighted.